Mascara brush



FIG. 1 is a perspective front view of a mascara brush, embodying the new design;

FIG. 2 is a front view of the design shown in FIG. 1;

FIG. 3 is a back view of the design shown in FIG. 1;

FIG. 4 is a left side view of the design shown in FIG. 1;

FIG. 5 is a right side view of the design shown in FIG. 1;

FIG. 6 is a top view of the design shown in FIG. 1; and

FIG. 7 is a bottom view of the design shown in FIG. 1.

FIG. 8 is a perspective front view of another embodiment of a mascara brush, embodying the new design;

FIG. 9 is a front view of the design shown in FIG. 8;

FIG. 10 is a back view of the design shown in FIG. 8;

FIG. 11 is a left side view of the design shown in FIG. 8;

FIG. 12 is a right side view of the design shown in FIG. 8;

FIG. 13 is a top view of the design shown in FIG. 8; and,

FIG. 14 is a bottom view of the design shown in FIG. 8. 

The ornamental design for a mascara brush, as shown and described. 